Triton Boats 173 Sport 2007 boat specs
Triton Boats
Triton Boats 173 Sport 2007
2007
View full specs →
VS
Triton Boats TR-21X HP 2008 boat specs
Triton Boats
Triton Boats TR-21X HP 2008
2008
View full specs →

Triton Boats 173 Sport 2007 vs Triton Boats TR-21X HP 2008 — Same Brand, Different Boat

The Triton Boats 173 Sport 2007 vs Triton Boats TR-21X HP 2008 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

The power gap is worth calling out. Rated to 250 hp, the Triton Boats TR-21X HP 2008 has a 170-hp advantage over the Triton Boats 173 Sport 2007's 80-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

Bottom line: Performance buyers should lean toward the Triton Boats TR-21X HP 2008 and its 250-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Triton Boats 173 Sport 2007 with its 80-hp rating is the more economical daily driver.
General Boat Info
MakeTriton Boats
MakeTriton Boats
Model173 Sport
ModelTR-21X HP
Model Year2007
Model Year2008
Body / Hull
Hull materialAluminum
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max80 hp
Engine max250 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail54 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters204.41
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal54
Measurements / Dimensions
Beamnot available
Beam94 in
Beam - Metersnot available
Beam - Meters2.39
Beam - Inchesnot available
Beam - Inches94
Length - Feetnot available
Length - Feet21
Length overall - Detailnot available
Length overall - Detail21 ft. 0 in
Length overall - Metersnot available
Length overall - Meters6.4
Length overall - Inchesnot available
Length overall - Inches252
Operational Info
Storagenot available
StorageRear Storage/Baitwell: 84 qts. Rear Storage Boxes: 168 qts. Front Storage Box: 300 qts
Maximum peoplenot available
Maximum people775 lbs
Trailer Info
Trailer - Length over allnot available
Trailer - Length over allw/ Swing Tongue: 23 ft. 5 in. w/o Swing Tongue: 25 ft. 2 in

Triton Boats 173 Sport 2007 vs Triton Boats TR-21X HP 2008 — Common Questions

Which boat can handle a bigger outboard?
The Triton Boats TR-21X HP 2008 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Triton Boats 173 Sport 2007 tops out at 80 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many passengers can the Triton Boats TR-21X HP 2008 carry?
The Triton Boats TR-21X HP 2008 has an official capacity rating of 775 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.
Are the Triton Boats 173 Sport 2007 and Triton Boats TR-21X HP 2008 from the same manufacturer?
Yes — both the Triton Boats 173 Sport 2007 and the Triton Boats TR-21X HP 2008 are built by Triton Boats. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.